Woolpower Long Johns 400

This products are not cheap, but they are totally worth it, I've had a ninja suit from Woolpower for almost 10 years and it's still in great shape. I wish more brands were so focussed on delivering such high quality products. I will say, sizing is slightly off.. Im 1.75cm, 75 kg and got a size small and its not super tight

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I found these to be really warm when standing in temperatures from -2 to -17 (it felt like over 20 degrees Celsius). Size M is for a 181cm (5'11") and 85kg (185lbs) height. As for activity, I'm a 3km (10 miles) march in uniform, plus gear and weapons. If you leave a warm room, it gets too warm. So, for longer marches (10km+), they might not be as effective at wicking moisture away. Although I could be wrong, it will definitely be less comfortable, but when standing, you quickly lose the feeling of being damp from sweat. I think they're a very good purchase; they fit perfectly, are suitable for very cold temperatures around -20 degrees Celsius, don't restrict movement, and you can always wear something underneath. After three weeks of daily use, there's some visible chafing on the thigh, but I don't consider it significant enough to be a sign of anything bad. I recommend them, and for activity, I'd go for something lighter with a synthetic blend.

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Someone there said the cut is special. I think the cut is excellent. Loose enough to keep you warm and not sweaty. Incredibly warm. I would buy them again for anything outdoors when it's really cold.

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The material is great but the design is unique.

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The elastics could be tighter.

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Love these long johns, super soft and comfortable, and keep me just right warm. The sizes are bigger than I'm used to, from other types of long johns, so I recommend going down a size, than you usually use! This model 400 is for really cold weather!

Sizing is massive!

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Really warm and very comfortable to wear. No more cold legs.

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The former have been in relatively active use for 7 years, and there are still days of use left, but they have started to thin out so much at the back that I had to prepare for a new pair. Size considerations: I normally wear underwear size L, these have been XL, just because there is room to move. The thighs fit well, the legs are slightly loose. And I have a naturally slightly thinner thigh. But they keep it warm.

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Really warm pants. The incision is remarkably narrow.